| Specification | |
| Model: | Li-ion 21700 4200mAh 3.7v |
| Size: | 21700 |
| Chemistry: | Lithium Ion(Li-ion) |
| Nominal Voltage: | 3.7V |
| Cut off Voltage: | 2.75V |
| Capacity: | 4200mAh |
| Weight: | 62g |
| Dimension: | 21.0mm*70.0mm |
| OEM: | with tabs, wires, connectors, battery packs |
| Packing: | traying packing or in small boxes |
| Certificate: | CE, ROHS, UL, UN38.3, MSDS |
